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Unified Diff: fusl/src/string/strlcpy.c

Issue 1714623002: [fusl] clang-format fusl (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: headers too Created 4 years, 10 months ago
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Index: fusl/src/string/strlcpy.c
diff --git a/fusl/src/string/strlcpy.c b/fusl/src/string/strlcpy.c
index 193d724130eca36d7939819e2d7ec94889dca3ef..66dd5163e5568ba925c84f350e1177a5b34faecd 100644
--- a/fusl/src/string/strlcpy.c
+++ b/fusl/src/string/strlcpy.c
@@ -4,29 +4,34 @@
#include <limits.h>
#include "libc.h"
-#define ALIGN (sizeof(size_t)-1)
-#define ONES ((size_t)-1/UCHAR_MAX)
-#define HIGHS (ONES * (UCHAR_MAX/2+1))
-#define HASZERO(x) ((x)-ONES & ~(x) & HIGHS)
+#define ALIGN (sizeof(size_t) - 1)
+#define ONES ((size_t)-1 / UCHAR_MAX)
+#define HIGHS (ONES * (UCHAR_MAX / 2 + 1))
+#define HASZERO(x) ((x)-ONES & ~(x)&HIGHS)
-size_t strlcpy(char *d, const char *s, size_t n)
-{
- char *d0 = d;
- size_t *wd;
- const size_t *ws;
+size_t strlcpy(char* d, const char* s, size_t n) {
+ char* d0 = d;
+ size_t* wd;
+ const size_t* ws;
- if (!n--) goto finish;
- if (((uintptr_t)s & ALIGN) == ((uintptr_t)d & ALIGN)) {
- for (; ((uintptr_t)s & ALIGN) && n && (*d=*s); n--, s++, d++);
- if (n && *s) {
- wd=(void *)d; ws=(const void *)s;
- for (; n>=sizeof(size_t) && !HASZERO(*ws);
- n-=sizeof(size_t), ws++, wd++) *wd = *ws;
- d=(void *)wd; s=(const void *)ws;
- }
- }
- for (; n && (*d=*s); n--, s++, d++);
- *d = 0;
+ if (!n--)
+ goto finish;
+ if (((uintptr_t)s & ALIGN) == ((uintptr_t)d & ALIGN)) {
+ for (; ((uintptr_t)s & ALIGN) && n && (*d = *s); n--, s++, d++)
+ ;
+ if (n && *s) {
+ wd = (void*)d;
+ ws = (const void*)s;
+ for (; n >= sizeof(size_t) && !HASZERO(*ws);
+ n -= sizeof(size_t), ws++, wd++)
+ *wd = *ws;
+ d = (void*)wd;
+ s = (const void*)ws;
+ }
+ }
+ for (; n && (*d = *s); n--, s++, d++)
+ ;
+ *d = 0;
finish:
- return d-d0 + strlen(s);
+ return d - d0 + strlen(s);
}

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